/health:check Single entry point for Claude Code health diagnostics. Runs environment checks (plugin registry, settings, hooks, MCP servers, SessionStart executability, pre-commit validity, permissions coverage, marketplace enrollment) plus optional deeper audits, and routes to the appropriate internal workflow. When to Use This Skill | Use this skill when... | Use another approach when... | |------------------------|------------------------------| | Running Claude Code diagnostics | Viewing raw settings (use Read on settings.json) | | Troubleshooting plugin registry issues | Inspecting marke…